Stadium: Center Round: 28 Ground: Hardcourt outdoor
| Challenger Aptos MD | 2018/08/10 00:00 | O'Mara/Salisbury v Eubanks/Reese | 7-6,6-4 |
| Challenger Aptos MD | 2018/08/08 19:00 | O'Mara/Salisbury v Galloway/Maytin | 6-3,6-2 |
| Challenger Aptos MD | 2018/08/09 19:00 | Nedunchezhiyan/Raja v Polmans/Purcell | 6-7,2-6 |
| Challenger Aptos MD | 2018/08/08 20:15 | Polmans/Purcell v Fruttero/Novikov | 3-6,7-6,12-10 |
| Challenger Savannah MD | 2018/05/03 19:30 | Cuevas/Dellien v Polmans/Purcell | 3-6,6-4,10-7 |
| Challenger Savannah MD | 2018/04/30 18:35 | Riffice/Ritschard v Polmans/Purcell | 4-6,4-6 |
| Challenger Tallahassee MD | 2018/04/25 22:00 | Galloway/Kudla v Polmans/Purcell | 6-1,6-3 |